Where does “unwasched” come from?

unwasched (Middle English) comes from Middle English unwaschen, from English washed — simple past tense and past participle of wash.

Ancestry of “unwasched”, step by step

StepLanguageWordMeaning
1Middle Englishunwaschenunwashen
2Englishwashedsimple past tense and past participle of wash

Words derived from “unwasched

Every word from English washedEvery word from Middle English unwaschen